The standard "GB/T 37403-2019 Tetramethylammonium Hydroxide Developer for Thin Film Transistor Liquid Crystal Displays (TFT-LCDs) " specifies the technical requirements, test methods, inspection rules and signs, Encasement, transportation and storage requirements for TFT-LCDs. This standard aims to ensure the mass and conformity of the developer in the manufacturing process of liquid crystal displays. The scope of application includes all developers in the production process of TFT-LCDs to ensure that they comply with relevant chemical reagents and Encasement standards. The standard also refers to several national standards for chemical reagents and Encasement storage and transportation to ensure the safety and effectiveness of the developer.